Sheet blank for forming a carton



FIG. 1 is a plan view of a sheet blank for forming a carton according tomy new design;

FIG. 2 is a plan view of one side of the sheet blank for forming acarton folded; and,

FIG. 3 is a plan view of an opposite side of the sheet blank for forminga carton folded.

In the drawings, the broken lines are for the purpose of illustratingportions of the sheet blank for forming a carton that form no part ofthe claimed design.

CLAIM The ornamental design for a sheet blank for forming a carton, asshown and described.